Home / 205,738.28-283,929.53-115,095.76

Finding the Fourth Proportional to 205,738.28, 283,929.53 and 115,095.76

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Solution

The fourth proportional to 205,738.28, 283,929.53 and 115,095.76 is: 158,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,738.28 : 283,929.53 = 115,095.76 : x
  2. Step 2: Convert to fraction form
    205,738.28/283,929.53 = 115,095.76/x
  3. Step 3: Cross multiply
    205,738.28x = 283,929.53 × 115,095.76
  4. Step 4: Simplify right side
    205,738.28x = 32,679,085,041.79
  5. Step 5: Solve for x
    x = 32,679,085,041.79/205,738.28
  6. Step 6: Final answer
    x = 158,838.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.